English verb conjugation
MAY GROUP

Regular verb: group - grouped - grouped

Affirmation

Simple form	V-ing form
I may group you may group she may group we may group you may group they may group	I may be grouping you may be grouping she may be grouping we may be grouping you may be grouping they may be grouping
Perfect	V-ing perfect
I may have grouped you may have grouped she may have grouped we may have grouped you may have grouped they may have grouped	I may have been grouping you may have been grouping she may have been grouping we may have been grouping you may have been grouping they may have been grouping

Negation

Simple form	V-ing form
I mayn't group you mayn't group she mayn't group we mayn't group you mayn't group they mayn't group	I mayn't be grouping you mayn't be grouping she mayn't be grouping we mayn't be grouping you mayn't be grouping they mayn't be grouping
Perfect	V-ing perfect
I mayn't have grouped you mayn't have grouped she mayn't have grouped we mayn't have grouped you mayn't have grouped they mayn't have grouped	I mayn't have been grouping you mayn't have been grouping she mayn't have been grouping we mayn't have been grouping you mayn't have been grouping they mayn't have been grouping

Interrogative form

Simple form	V-ing form
may I group? may you group? may she group? may we group? may you group? may they group?	may I be grouping? may you be grouping? may she be grouping? may we be grouping? may you be grouping? may they be grouping?
Perfect	V-ing perfect
may I have grouped? may you have grouped? may she have grouped? may we have grouped? may you have grouped? may they have grouped?	may I have been grouping? may you have been grouping? may she have been grouping? may we have been grouping? may you have been grouping? may they have been grouping?

Interro-negative form

Simple form	V-ing form
mayn't I group? mayn't you group? mayn't she group? mayn't we group? mayn't you group? mayn't they group?	mayn't I be grouping? mayn't you be grouping? mayn't she be grouping? mayn't we be grouping? mayn't you be grouping? mayn't they be grouping?
Perfect	V-ing perfect
mayn't I have grouped? mayn't you have grouped? mayn't she have grouped? mayn't we have grouped? mayn't you have grouped? mayn't they have grouped?	mayn't I have been grouping? mayn't you have been grouping? mayn't she have been grouping? mayn't we have been grouping? mayn't you have been grouping? mayn't they have been grouping?